Compare towns

Dorchester vs Carroll vs Groton

Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.

What stands out worked out from the figures below

Dorchester has the most affordable homes ($140k median).
Carroll has the shortest commute (22 min average).
Groton has the most kids (15.4% under 18).

What matters to you?

Pick a few. We’ll pull those rows to the top and mark which town comes out ahead on each. There’s no overall score: what matters is up to you.

MeasureDorchesterCarrollGroton
People
Population
410Lowest
659Highest
507
Growth since 20102010 → 2020 census —
+7.5%Highest
NH: +4.6%
-4%Lowest
NH: +4.6%
Median age
56±10.5
29% above NH
62.4±4.8Highest
44% above NH
51.1±16.2Lowest
18% above NH
Carroll and Dorchester are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
11.2%±4.4
NH: 18.2%
7%±4.5Lowest
NH: 18.2%
15.4%±4.6Highest
NH: 18.2%
Groton and Dorchester are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
39.8%±15.5Highest
NH: 20.1%
39.5%±4.4
NH: 20.1%
29.4%±4.8Lowest
NH: 20.1%
Dorchester and Carroll are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
35.8%Highest
NH: 40.6%
35.2%
NH: 40.6%
29.2%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
0.5%±3.1Lowest
NH: 6%
1.8%±1.2
NH: 6%
2%±2Highest
NH: 6%
Groton and Carroll are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian —
$64,821±$26kLowest
35% below NH
$85,625±$21kHighest
14% below NH
Groton and Carroll are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$139,600±$133kLowest
65% below NH
$261,500±$42k
35% below NH
$269,000±$45kHighest
33% below NH
Groton and Carroll are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly —
$1,078±$241Lowest
28% below NH
$2,667±$295Highest
79% above NH
Property taxmedian, yearly
$3,779Highest
43% below NH
$3,356
50% below NH
$2,873Lowest
57% below NH
Renters paying 30%+of income on rent
0%±100Lowest
NH: 48.2%
28%±47.5
NH: 48.2%
50%±83.6Highest
NH: 48.2%
Groton and Carroll are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
18.6%Highest
NH: 7.2%
5.5%Lowest
NH: 7.2%
10.5%
NH: 7.2%
Housing
Homeownersof occupied homes
96.3%Highest
NH: 72.8%
91.6%
NH: 72.8%
91.3%Lowest
NH: 72.8%
Typical home builtmedian year
1973Lowest
6 yrs older than NH
1984Highest
5 yrs newer than NH
1984Highest
5 yrs newer than NH
Getting to work
Average commuteone way
40 minHighest
50% above NH
22 minLowest
19% below NH
29 min
10% above NH
Work from home
12.2%±8.8
NH: 16.8%
4.6%±3.2Lowest
NH: 16.8%
13.7%±6.5Highest
NH: 16.8%
Groton and Dorchester are within the Census margin of error here, so we can’t say which is really higher.
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NH average · Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024; 2010 & 2020 decennial census; NCES Common Core of Data. “±” is the Census margin of error. Property tax is top-coded by the Census at $10,000+. School rank compares math and reading proficiency against the state average.